w2=-225
w² = -225
w² + 225 = 0
w² + 15² = 0
w² - (15i)² = 0
(w+15i)(w-15i) = 0
w = {-15i, 15i}
2007-10-22 02:41:06 · 6 answers · asked by mormar 1 in Science & Mathematics ➔ Mathematics
you are a doctor of math
it is must be right
good luck
2007-10-22 02:52:05 · answer #1 · answered by dr-Fouad 2 · 0⤊ 0⤋
w ² = - 225
w = 225 i ²
w = ± 15 i
2007-10-22 07:39:41 · answer #2 · answered by Como 7 · 0⤊ 0⤋
Yes that's right.
2007-10-22 02:50:53 · answer #3 · answered by Ivan D 5 · 0⤊ 0⤋
Good job! It's right!
2007-10-22 02:52:50 · answer #4 · answered by Anonymous · 0⤊ 0⤋
cant fault it.Seems to me that you solved it right
2007-10-22 02:47:30 · answer #5 · answered by Nemesis 1 · 0⤊ 0⤋
yes i think its right :)
2007-10-22 02:49:02 · answer #6 · answered by abou.el.leil@hotmail.com 3 · 0⤊ 0⤋